Home / 6,643.87-9,969.60-2,486.77

Finding the Fourth Proportional to 6,643.87, 9,969.60 and 2,486.77

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Solution

The fourth proportional to 6,643.87, 9,969.60 and 2,486.77 is: 3,731.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,643.87 : 9,969.60 = 2,486.77 : x
  2. Step 2: Convert to fraction form
    6,643.87/9,969.60 = 2,486.77/x
  3. Step 3: Cross multiply
    6,643.87x = 9,969.60 × 2,486.77
  4. Step 4: Simplify right side
    6,643.87x = 24,792,102.19
  5. Step 5: Solve for x
    x = 24,792,102.19/6,643.87
  6. Step 6: Final answer
    x = 3,731.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.